[gnome-games/wip/exalm/ds: 9/15] nintendo-ds: Add NintendoDsLayout

[Alexander Mikhaylenko <alexm src gnome org>]

commit 941311472e1383fe32bb35b1d245d05c71a55583
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Wed Aug 14 01:12:39 2019 +0500

    nintendo-ds: Add NintendoDsLayout
    
    This will be used for passing layouts around later when GSettings aren't
    used anymore.

 plugins/nintendo-ds/src/meson.build             |   1 +
 plugins/nintendo-ds/src/nintendo-ds-layout.vala | 106 ++++++++++++++++++++++++
 2 files changed, 107 insertions(+)
---
diff --git a/plugins/nintendo-ds/src/meson.build b/plugins/nintendo-ds/src/meson.build
index ebf3cefe..b3c84613 100644
--- a/plugins/nintendo-ds/src/meson.build
+++ b/plugins/nintendo-ds/src/meson.build
@@ -1,5 +1,6 @@
 vala_sources = [
   'nintendo-ds-icon.vala',
+  'nintendo-ds-layout.vala',
   'nintendo-ds-layout-item.vala',
   'nintendo-ds-layout-switcher.vala',
   'nintendo-ds-plugin.vala',
diff --git a/plugins/nintendo-ds/src/nintendo-ds-layout.vala b/plugins/nintendo-ds/src/nintendo-ds-layout.vala
new file mode 100644
index 00000000..5dc902c8
--- /dev/null
+++ b/plugins/nintendo-ds/src/nintendo-ds-layout.vala
@@ -0,0 +1,106 @@
+// This file is part of GNOME Games. License: GPL-3.0+.
+
+public enum Games.NintendoDsLayout {
+       TOP_BOTTOM,
+       LEFT_RIGHT,
+       RIGHT_LEFT,
+       QUICK_SWITCH;
+
+       public string get_value () {
+               switch (this) {
+               case TOP_BOTTOM:
+                       return "top/bottom";
+
+               case LEFT_RIGHT:
+                       return "left/right";
+
+               case RIGHT_LEFT:
+                       return "right/left";
+
+               case QUICK_SWITCH:
+                       return "quick switch";
+
+               default:
+                       assert_not_reached ();
+               }
+       }
+
+       public string get_icon () {
+               switch (this) {
+               case TOP_BOTTOM:
+                       return "screen-layout-top-bottom-symbolic";
+
+               case LEFT_RIGHT:
+                       return "screen-layout-left-right-symbolic";
+
+               case RIGHT_LEFT:
+                       return "screen-layout-right-left-symbolic";
+
+               case QUICK_SWITCH:
+                       return "screen-layout-quick-switch-symbolic";
+
+               default:
+                       assert_not_reached ();
+               }
+       }
+
+       public string get_title () {
+               switch (this) {
+               case TOP_BOTTOM:
+                       return _("Vertical");
+
+               case LEFT_RIGHT:
+                       return _("Side by side");
+
+               case RIGHT_LEFT:
+                       return _("Side by side");
+
+               case QUICK_SWITCH:
+                       return _("Single screen");
+
+               default:
+                       assert_not_reached ();
+               }
+       }
+
+       public string? get_subtitle () {
+               switch (this) {
+               case LEFT_RIGHT:
+                       return _("Bottom to the right");
+
+               case RIGHT_LEFT:
+                       return _("Bottom to the left");
+
+               case TOP_BOTTOM:
+               case QUICK_SWITCH:
+                       return null;
+
+               default:
+                       assert_not_reached ();
+               }
+       }
+
+       public static NintendoDsLayout[] get_layouts () {
+               return { TOP_BOTTOM, LEFT_RIGHT, RIGHT_LEFT, QUICK_SWITCH };
+       }
+
+       public static NintendoDsLayout? from_value (string value) {
+               switch (value) {
+               case "top/bottom":
+                       return TOP_BOTTOM;
+
+               case "left/right":
+                       return LEFT_RIGHT;
+
+               case "right/left":
+                       return RIGHT_LEFT;
+
+               case "quick switch":
+                       return QUICK_SWITCH;
+
+               default:
+                       warning ("Unknown screen layout: %s\n", value);
+                       return null;
+               }
+       }
+}